EP1084352B1 - Element de montage elastomere - Google Patents

Element de montage elastomere Download PDF

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Publication number
EP1084352B1
EP1084352B1 EP99920954A EP99920954A EP1084352B1 EP 1084352 B1 EP1084352 B1 EP 1084352B1 EP 99920954 A EP99920954 A EP 99920954A EP 99920954 A EP99920954 A EP 99920954A EP 1084352 B1 EP1084352 B1 EP 1084352B1
Authority
EP
European Patent Office
Prior art keywords
elastomeric
mounting assembly
accordance
elastomeric mounting
modules
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP99920954A
Other languages
German (de)
English (en)
Other versions
EP1084352A1 (fr
Inventor
Peter Richard Andrew Cannon
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Trelleborg AB
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Trelleborg AB
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Publication date
Application filed by Trelleborg AB filed Critical Trelleborg AB
Publication of EP1084352A1 publication Critical patent/EP1084352A1/fr
Application granted granted Critical
Publication of EP1084352B1 publication Critical patent/EP1084352B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
    • F16F1/42—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by the mode of stressing
    • F16F1/52—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by the mode of stressing loaded in combined stresses
    • F16F1/54—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by the mode of stressing loaded in combined stresses loaded in compression and shear
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2236/00—Mode of stressing of basic spring or damper elements or devices incorporating such elements
    • F16F2236/12—Mode of stressing of basic spring or damper elements or devices incorporating such elements loaded in combined stresses
    • F16F2236/123—Mode of stressing of basic spring or damper elements or devices incorporating such elements loaded in combined stresses loaded in compression and shear

Definitions

  • This invention relates to an elastomeric mounting module and in particular, though not exclusively, to an elastomeric mounting module adapted to accommodate a high degree of deflection in a direction of normal compression loading.
  • It relates also, though not exclusively, to an elastomeric mounting which preferably allows relatively unrestricted movement in at least one direction in a plane perpendicular to the direction of normal compression loading.
  • GB 718,605 relates to a resilient mounting comprising a prism like rubber bridging element bonded longitudinally on opposite pairs of sides to the respective re-entrant surfaces of two angle bars, one for connecting to a supporting member and the other for connecting to a supported member in offset relationship so that the loading applied by the weight of the supported member acts substantially transversely to the rubber element and serves to deform the element by a combination of shear and compression, the principal compressive elastic axis of said element being inclined to the direction of said loading at an angle of between 35° and 55°.
  • the present invention has as one object the provision of an elastomeric mounting module which has an improved compression deflection capability and which potentially is of lower cost than established designs of mountings.
  • the elastomeric mounting module is effective also to dampen the transmission of acoustic frequency vibrations.
  • the elastomeric mounting assembly of the invention is defined by the features of claim 1.
  • the two inwardly facing, bonded surfaces of an end member will lie relative to one another at an angle in the range 80° to 115°, more preferably in the range 85° to 100°.
  • the bonded surfaces of each end member may lie in planes substantially perpendicular relative to one another.
  • the two end members may be identical, so helping to minimise production costs.
  • the respective bonded surfaces are partly overlapped as viewed along said direction of normal compression loading.
  • said bonded surfaces preferably are spaced apart, at least in the absence of compression loading.
  • the elastomeric element preferably is substantially free from direct compression loading at least at normal operating loads.
  • the relative shapes of the module parts and their sizes preferably are selected so that during initial loading in said direction of compression the elastomeric element is loaded in shear and compression, in combination.
  • the elastomeric element preferably is bereft of any internal reinforcement or interleaves. Preferably in at least one transverse direction it is free from either internal or external structure that might inhibit its freedom to bulge, at least until any buffer action occurs under extreme or shock load conditions.
  • the elastomeric element is of a substantially solid shape.
  • it is bereft of cavities, and more preferably it is bereft of any openings extending therethrough in a direction perpendicular to the cross-sectional plane of said L shape.
  • the elastomeric material extends wholly into the corner space region between the two inwardly facing surfaces of an end member. It is believed that this usefully assists in deadening the transmission of sound through the mounting.
  • Unbonded end surfaces of the rigid members may be provided with location means, such as tapped holes, to allow rigid members of one module to be located relative to corresponding rigid members of a second module.
  • Tie bars may be provided one to secure one pair of end members in proximity to one another, e.g. in direct back-to-back contact, and another to secure the other pair at a prescribed spacing.
  • the invention provides also an elastomeric mounting assembly which is comprised by two or more elastomeric mounting modules secured in position relative to one another.
  • the assembly may be secured to supported or supporting structure which is utilised to maintain rigid members of the modules in a predetermined spatial relationship.
  • the assembly may comprise modules having elastomeric elements of different sizes and/or of different volumes. Preferably none of the elastomeric elements of the assembly have a volume greater than 15 litres.
  • the same cross-sectional size and shape of rigid end member is used in two or more modules of different sizes or which have elastomeric elements of different volumes.
  • a modular type elastomeric mounting 1 shown in Figures 1 to 3 comprises two identical rigid, metal end members 2, 3 bonded to and interconnected by an elastomeric element 4.
  • Each end member 2, 3 has a right angled L shape in cross section as shown in Figure 1 and has two limb portions 5, 6 of equal length.
  • One limb 5 is of uniform thickness.
  • the other limb 6 is slightly tapered, to reduce in thickness away from a corner region 7.
  • Outer faces 8, 9 of the limbs 5, 6 are at right angles.
  • the elastomeric element 4 extends generally diagonally between the inwardly facing end member surfaces 10, 11 to which it is bonded, as viewed in Figure 1. Element 4 is bonded to substantially the whole of each face 10, 11 and to the far end surface 12 of each tapered limb 6. Element 4 therefore fully occupies the corner space region 18 between the two inwardly facing surfaces 10,11 of each end member. . ,
  • the diagonal length of the elastomeric element 4 is sufficient to vertically space apart the end surfaces 12 of the tapered limbs 6 as shown by distance X of Figure 1. This ensures that when the limbs 6 move transversely towards one another the elastomeric element is loaded primarily only in shear at least during the initial stages of that movement.
  • the diagonal length and shape of the elastomeric element is selected to create a part overlap of the horizontal limbs 5 when viewed in a vertical direction and as shown by the distance Y of Figure 1.
  • the outer faces 8 of the limbs 5 are provided with plain holes 14 for attachment to supporting or supported structure.
  • end faces 17 of the end members 2, 3 also have tapped and plain holes 15, 16 for a purpose described below in the context of an elastomeric mounting assembly which comprises a plurality of the modular mountings 1.
  • An elastomeric mounting assembly 20 shown in Figures 4 to 6 comprises four of the modular mountings 1 of Figures 1 to 3.
  • the four mountings 21-24 are positioned in pairs, the two pairs lying side-by-side with end members 2,3 aligned, and the two mountings of each pair being in a back-to-back configuration with a pair of tapered limbs 6 of upper end members 2 adjacent one another and the associated limbs 5 being co-planar.
  • Limbs 6 of a back-to-back pair of adjacent upper end members 2 are held together by an upper end tie bar 25 and a pin which extends through the bar into the holes 15,16.
  • Limbs 5 of lower end members 3 similarly are maintained spaced by a lower tie bar 26.
  • the two back-to-back pairs of mountings 21-24 are held in alignment by dowel pins 27 in confronting end faces 17 of the end members 2,3. Axial separation of the pairs of mountings is resisted by the supported and supporting structure to which the mountings are secured with the aid of the plain holes 14.
  • Inwardly facing surfaces 28 of the upper and lower tie bars 25,26 are curved to provide preferential resistance to bulging movement of the elastomeric elements.
  • the curvature is selected in relation to desired load-deflection characteristics of the mounting assembly at conditions under which the elastomer bulges axially, which is sideways as viewed in Figure 5.
  • Figures 7 and 8 show a variation of the construction of Figures 4 to 6.
  • Intermediate tie bars 30,31 are positioned between the pairs of mountings 21-24.
  • the tie bars 30,31 have curved buffer surfaces 32,33 shaped to aid tuning of the mounting to the desired load-deflection characteristics.
  • Figures 9 and 10 show another variation of the construction of Figures 4 to 6.
  • This variation has an additional pair 35,36 of mounting modules provided between the two pairs of mountings 21-24.
  • the axial length of the mountings 35,36, as viewed in the horizontal direction of the Figures, is less than that of the mountings 21-24.
  • Figure 11 shows a sample of a vertical load-deflection curve for the mountings of the invention.
  • the initial stage relates to vertical shear and compression loading.
  • the bulge stage relates to axial, longitudinal extension (side to side direction of Figure 2) and in the buffer stage the elastomeric material at one module presses against the elastomeric elements of neighbouring modules and any axial buffer surfaces of the tie bars.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Child & Adolescent Psychology (AREA)
  • Mechanical Engineering (AREA)
  • Vibration Prevention Devices (AREA)
  • Springs (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Laminated Bodies (AREA)
  • Dowels (AREA)

Claims (20)

  1. Ensemble de montage élastomère comprenant au moins deux modules de montage élastomère (1) fixés en position relative l'un par rapport à l'autre, chacun desdits modules (1) comprenant deux membres d'extrémité rigide (2, 3), chacun ayant une section transversale quasiment en forme de L et un élément (4) de matériau élastomère s'étendant entre ceux-ci et lié auxdits membres d'extrémité (2, 3) ayant des surfaces liées (10, 11) respectives qui sont décalées (y, x) au moins en partie dans la direction de charge de compression normale et par rapport à une direction transversale perpendiculaire à ladite direction de charge, d'où il résulte qu'un membre d'extrémité (2, 3) est orienté avec les deux surfaces liées (10, 11) orientées vers l'intérieur de celui-ci orientées généralement vers les surfaces orientées vers l'intérieur (10, 11) de l'autre membre, caractérisé en ce que des surfaces d'extrémité (17) non liées des membres rigides (2, 3) comprennent un moyen de positionnement (15, 16) d'où il résulte que lesdits membres rigides (2, 3) d'un module peuvent être positionnés par rapport aux membres rigides correspondants d'un autre module, et en ce qu'il comprend des barres d'attache (25, 26) d'où il résulte qu'une paire de membres d'extrémité (2) respectifs de deux modules (1) peuvent être fixés à proximité l'un de l'autre et l'autre paire de membres d'extrémité (3) respectifs peuvent être fixés avec un espacement spécifié l'un par rapport à l'autre.
  2. Ensemble de montage élastomère selon la revendication 1, caractérisé en ce que lesdites deux surfaces (10, 11) orientées vers l'intérieur d'un membre d'extrémité (2, 3) sont liées avec un angle dans la plage de 80° à 115° l'une par rapport à l'autre dans la section transversale de ladite forme de L.
  3. Ensemble de montage élastomère selon la revendication 1 ou selon la revendication 2, caractérisé en ce que ledit angle est dans la plage de 85° à 100°.
  4. Ensemble de montage élastomère selon l'une quelconque des revendications précédentes, caractérisé en ce que lesdites surfaces liées (10, 11) de chaque membre d'extrémité se trouvent dans des plans quasiment perpendiculaires l'un par rapport à l'autre.
  5. Ensemble de montage élastomère selon l'une quelconque des revendications précédentes, caractérisé en ce que lesdits deux membres d'extrémité rigide (2, 3) sont identiques.
  6. Ensemble de montage élastomère selon l'une quelconque des revendications précédentes, caractérisé en ce que lesdites surfaces liées (10, 11) respectives se chevauchent partiellement (y) comme on peut le voir le long de ladite direction de la charge de compression normale.
  7. Ensemble de montage élastomère selon l'une quelconque des revendications précédentes, caractérisé en ce que lesdites surfaces liées (10, 11) sont espacées (x), en l'absence de charge de compression, lorsqu'on les regarde dans une première direction transversale perpendiculaire à la direction de la charge de compression.
  8. Ensemble de montage élastomère selon la revendication 7, caractérisé en ce que, lorsqu'on regarde dans une deuxième direction transversale perpendiculaire à ladite première direction transversale, l'élément élastomère (4) est quasiment libre de charge de compression directe pour des charges de fonctionnement normales.
  9. Ensemble de montage élastomère selon l'une quelconque des revendications précédentes, caractérisé en ce que, pendant la charge initiale dans ladite direction de compression, l'élément élastomère (4) est soumis à une combinaison de cisaillement et de compression.
  10. Ensemble de montage élastomère selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément élastomère (4) est dépourvu de renfort interne ou d'entrelacement.
  11. Ensemble de montage élastomère selon l'une quelconque des revendications précédentes, caractérisé en ce que, dans au moins une direction transversale, l'élément élastomère (4) ne présente pas de structure interne, ni externe supplémentaire qui pourrait nuire à la liberté du matériau de gonfler pendant des conditions de charge de fonctionnement normales.
  12. Ensemble de montage élastomère selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément élastomère (4) est essentiellement en profilé plein.
  13. Ensemble de montage élastomère selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément élastomère (4) est dépourvu de cavité à l'intérieur de celui-ci.
  14. Ensemble de montage élastomère selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément élastomère (4) est dépourvu de toute ouverture s'étendant à l'intérieur de celui-ci dans une direction perpendiculaire au plan transversal de ladite forme de L.
  15. Ensemble de montage élastomère selon la revendication 1, caractérisé en ce qu'on n'utilise pas de structure de soutien, ni de structure soutenue pour maintenir les membres rigides des modules dans une relation spatiale prédéterminée.
  16. Ensemble de montage élastomère selon la revendication 1 ou selon la revendication 15, et caractérisé en ce qu'il comprend au moins deux modules (1) ayant des éléments élastomères (21-24; 35, 36) de tailles différentes.
  17. Ensemble de montage élastomère selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il comprend au moins deux modules (1) ayant des éléments élastomères (21-24; 35, 36) de volumes différents.
  18. Ensemble de montage élastomère selon l'une quelconque des revendications précédentes, caractérisé en ce qu'aucun des éléments élastomères ne présente un volume supérieur à 15 litres.
  19. Ensemble de montage élastomère selon l'une quelconque des revendications précédentes, caractérisé en ce que la même taille et la même forme de l'élément d'extrémité rigide sont utilisées dans deux modules de tailles différentes.
  20. Ensemble de montage élastomère selon l'une quelconque des revendications précédentes, caractérisé en ce que la même taille et la même forme de l'élément d'extrémité rigide sont utilisées dans deux modules qui ont des éléments élastomères de volumes différents.
EP99920954A 1998-05-12 1999-05-04 Element de montage elastomere Expired - Lifetime EP1084352B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9809996.3A GB9809996D0 (en) 1998-05-12 1998-05-12 Elastomeric mounting
GB9809996 1998-05-12
PCT/GB1999/001370 WO1999058871A1 (fr) 1998-05-12 1999-05-04 Element de montage elastomere

Publications (2)

Publication Number Publication Date
EP1084352A1 EP1084352A1 (fr) 2001-03-21
EP1084352B1 true EP1084352B1 (fr) 2005-01-12

Family

ID=10831784

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99920954A Expired - Lifetime EP1084352B1 (fr) 1998-05-12 1999-05-04 Element de montage elastomere

Country Status (14)

Country Link
US (1) US6474618B1 (fr)
EP (1) EP1084352B1 (fr)
JP (1) JP3502347B2 (fr)
CN (1) CN1117224C (fr)
AT (1) ATE287048T1 (fr)
AU (1) AU743862B2 (fr)
BR (1) BR9910395A (fr)
CA (1) CA2333232C (fr)
DE (1) DE69923176T2 (fr)
ES (1) ES2233045T3 (fr)
GB (2) GB9809996D0 (fr)
IL (1) IL139267A0 (fr)
IS (1) IS5707A (fr)
WO (1) WO1999058871A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010020386A1 (de) * 2010-05-12 2011-11-17 Howaldtswerke-Deutsche Werft Gmbh Lagerungselement zur Lagerung eines dynamisch aktiven Aggregats in einem Unterseeboot
RU198369U1 (ru) * 2019-09-16 2020-07-02 Компания Грейкросс Лимитед Упругий элемент для боковой опоры тележки грузового вагона

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB508702A (en) 1938-01-07 1939-07-05 Vauxhall Motors Ltd Flexible mounting for reciprocating engines, pumps, compressors and the like
GB718605A (en) 1951-10-03 1954-11-17 Nat Res Dev Improvements in and relating to resilient mountings for machinery and the like
DE1074923B (de) 1958-05-27 1960-02-04 Braunschweigische Kohlen Berg werke Hclmstedt Abfederung fur Achslager u dgl
FR1219468A (fr) 1959-03-25 1960-05-18 Bloc support amortisseur pour machines
DE2719925C2 (de) 1976-05-06 1983-08-25 Paulstra S.A., Levallois-Perret Elastisches Verbindungsteil

Also Published As

Publication number Publication date
DE69923176D1 (de) 2005-02-17
BR9910395A (pt) 2001-01-09
ATE287048T1 (de) 2005-01-15
CA2333232C (fr) 2005-01-04
IS5707A (is) 2000-11-09
US6474618B1 (en) 2002-11-05
EP1084352A1 (fr) 2001-03-21
GB2337313B (en) 2000-08-02
GB9809996D0 (en) 1998-07-08
AU3833899A (en) 1999-11-29
GB9910080D0 (en) 1999-06-30
ES2233045T3 (es) 2005-06-01
IL139267A0 (en) 2001-11-25
JP3502347B2 (ja) 2004-03-02
DE69923176T2 (de) 2005-06-23
JP2002514721A (ja) 2002-05-21
WO1999058871A1 (fr) 1999-11-18
CN1300354A (zh) 2001-06-20
CN1117224C (zh) 2003-08-06
AU743862B2 (en) 2002-02-07
GB2337313A (en) 1999-11-17
CA2333232A1 (fr) 1999-11-18

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